名词
中文翻译：双曲柄机构
同义词：
['double-acting mechanism', 'double-acting gearbox例句：1. The double-crank mechanism allows the machine to move smoothlyand efficiently.（双曲柄机构使机器能够平滑且高效地移动。）']
例句：
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1. The double-crank mechanism allows the machine to move smoothlyand efficiently.
双曲柄机构使机器能够平滑且高效地移动。
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2. The double-crank mechanism is a crucial component ofthe car's engine.
双曲柄机构是汽车发动机的关键部件。
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3. The double-crank mechanism was designed to improve theefficiency of the machine.
双曲柄机构的设计目的是为了提高机器的效率。